Kenwood TK-760G Manual Do Utilizador

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49
ADJUSTMENT
Measurement
Test-
equipment
Unit
Terminal
Adjustment
Unit
Parts
Method
Specifications/Remarks
Condition
Item
TK-760G/762G
Receiver Section
1. Discriminator 1) Set test mode
SSG
Rear
ANT
TX-RX
L5
AF output maximum.
• Wide
CH : CH1 - Sig1
panel
(A/2)
SSG output : –53dBm/501
µ
V
AF VTVM
ACC
SSG MOD : 3kHz
Oscilloscope
(EXT.SP)
AF : 1.4V/4
Ω
2) SSG MOD : OFF
DVM
TX-RX
IC5 9pin
0.7V DC
(A/2)
2. Sensitivity
1) Set test mode
SSG
Rear
ANT
TX-RX
L11
RSSI voltage
• Wide
Select “SENS” in tuning mode.
panel
(A/2)
L13
maximum.
“S.E.N.S”
AF VTVM
ACC
L15
Adjust [120] K,M
Distortion
(EXT.SP)
L18
Adjust [110] K2
meter
SSG freq'
Oscilloscope
: 161.050MHz K
AG
: 149.050MHz K2
: 160.050MHz M
DVM
TX-RX
RSSI
SSG output : –118dBm/0.28
µ
V
(A/2)
SSG MOD : 3kHz
AF output : 1V/4
Ω
2) “S.ENS”
Front
CH /
Adjust [***]
panel
SSG freq'
.
: 148.050MHz K
: 136.050MHz K2
: 146.050MHz M
3) “S.E.N.S._.
Adjust [***]
SSG freq'
: 173.950MHz K,M
: 161.950MHz K2
Measurement
Test-
equipment
Unit
Terminal
Adjustment
Unit
Parts
Method
Specifications/Remarks
Condition
Item
1. PLL lock
1) Set test mode
DVM
TX-RX
CV
PLL
TC106 7.5V K,M
±
0.1V
voltage
CH : CH3 - Sig1
Power meter (A/2)
7.0V K2
RX
F. conter
TX
2) PTT : ON (Transmit)
TC109 7.5V
RX
3) CH : CH2 - Sig1
Check
1.0V or more K,M
AUX : ON (talk-around mode)
0.9V or more K2
TX
4) PTT : ON (Transmit)
0.5V or more K,M
1.0V or more K2
Common Section
Since the TK-762G cannot be tuned from the panel, the FPU (KPG-56D) should be used for adjustment.